[ Tenses ]
. They had been driving for hours before they realized they were lost.
A. This indicates a simple past action.
B. This indicates a past perfect action.
C. This indicates a past perfect continuous action.
D. This indicates a future continuous action.

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PersonificationSuperlativesThe Past SimplePassive Voice with Modal VerbsVerbs with Prepositions and ConjunctionsModals and Past ModalsArgumentative VocabularyPresent Perfect vs Past SimpleTenses of Verbs - UsageIf/Unless - Conditional type 1Other quiz:
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A. Do
B. Are
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Hope + ?
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A. have
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